The FCI-CHG-120 is the compatible battery charging system that is designed for use with the AA-100 and the AA-120 bulk amplifiers. It is used to charge lead-acid batteries between 25 and 120 ampere hours (A/H).
The FCI-CHG-120 consists of a PC board and a mounting chassis. The FCI-CHG-120
contains the following Diagnostic LEDs:
- Primary AC ON • Ground Fault
- Lo Charge
- Charger Trouble
- Low Battery
- Hi Charge
- Battery Voltage Level (3 LEDs)
Produces the following charge amperes hours:
• 24 AH batteries within 9 hours
• 55/60 AH batteries within 20 hours
• 120 AH batteries within 38 hours


